Be mindful and prevent texting related hunchback posture.

Perfect posture effortlessly. Ease back pain while you work.

I really need to get one of these... I hate how chairs are always designed for "better posture" but I end up slouching uncomfortably in them anyways :( I wish there was a chair designed for inevitable slouching and working at a desk

Posture orientation sensor app

You slouch, it vibrates. Sit straighter, stand taller.

I wear Lumo Lift which gives gentle reminders to straighten back up. After a week I could see the difference because it really helps to build the habit.
The only huge drawback for me is a short battery life :( So you have to charge it every other day.